bulb Definition

  • 1a rounded underground storage organ present in some plants, consisting of a short stem surrounded by fleshy scale leaves or leaf bases and lying dormant during the winter
  • 2the glass part of an electric lamp that gives out light when it is switched on

Using bulb: Examples

Take a moment to familiarize yourself with how "bulb" can be used in various situations through the following examples!

  • Example

    The tulip bulbs are planted in the fall.

  • Example

    The light bulb needs to be replaced.

  • Example

    She bought a new LED bulb for her lamp.

bulb Synonyms and Antonyms

Synonyms for bulb

  • light bulb
  • incandescent lamp
  • LED

Phrases with bulb

  • the process of putting bulbs into the ground so that they will grow into plants


    She enjoys planting bulbs in her garden every spring.

  • a single segment of a garlic head


    The recipe calls for two bulbs of garlic.

  • a rubber suction device used to remove mucus from a baby's nose


    The doctor recommended using a bulb syringe to clear the baby's stuffy nose.

Origins of bulb

from Latin 'bulbus', meaning 'onion'


Summary: bulb in Brief

The term 'bulb' [bʌlb] refers to two distinct things: the rounded underground storage organ of some plants, and the glass part of an electric lamp that emits light. Examples of the former include tulip bulbs, while the latter includes incandescent lamps and LEDs. Phrases like 'planting bulbs' and 'bulb of garlic' relate to the plant-based definition, while 'bulb syringe' relates to the medical field.

How do native speakers use this expression?